# MPD Simulator vs phase estimation algorithm

The clearest difference is price: phase estimation algorithm at Free against MPD Simulator's $49.99. phase estimation algorithm also leads on update cadence (monthly vs every 4 months). MPD Simulator's advantage is iOS requirement (12.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

phase estimation algorithm is free to download; MPD Simulator costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MPD Simulator ships an update every 4 months, phase estimation algorithm monthly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MPD Simulator | phase estimation algorithm |
| --- | --- | --- |
| Price | $49.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 29 MB | 12 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Moura](https://appshunter.io/developer/407501202) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### MPD Simulator

[App page](https://appshunter.io/ios/app/mpd-simulator/id1109781805)

**Features:** Vision Pro support

**In-app purchases:** none


### phase estimation algorithm

[App page](https://appshunter.io/ios/app/phase-estimation-algorithm/id6469448415)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MPD Simulator free?

MPD Simulator costs $49.99, with no in-app purchases.

### Is phase estimation algorithm free?

phase estimation algorithm is free to download, with no in-app purchases.

### Do MPD Simulator or phase estimation algorithm have ads?

Neither MPD Simulator nor phase estimation algorithm shows ads.

### Which is updated more often, MPD Simulator or phase estimation algorithm?

MPD Simulator ships an update every 4 months, and phase estimation algorithm monthly. Most recently, MPD Simulator was updated on November 2, 2026 and phase estimation algorithm on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*